Chassis



FIG. 1 is a top, front and left side perspective view of a chassis embodying our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown are included for the purpose of illustrating a portion of the chassis that form no part of the claimed design. 

CLAIM The ornamental design for a chassis, as shown and described. 